Spix's warbling antbird (''Hypocnemis striata'') is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

in the family

Thamnophilidae The antbirds are a large passerine bird family, Thamnophilidae, found across subtropical and tropical Central and South America, from Mexico to Argentina. There are more than 230 species, known variously as antshrikes, antwrens, antvireos, fire ...

. Spix's warbling antbird was described and illustrated by the German naturalist Johann Baptist von Spix in 1825 and given the binomial name ''Thamnophilus striatus''. The current

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

Hypocnemis ''Hypocnemis'' is a genus of passerine birds in the family Thamnophilidae. They are resident breeders in tropical Central and South America. The genus ''Hypocnemis'' was introduced by the German ornithologist Jean Cabanis in 1847. The name comb ...

'' was introduced in 1847. Until recently, it was considered a subspecies of the Guianan warbling antbird (''Hypocnemis cantator''), but based on vocal differences and to a lesser degree differences in plumage, it is now treated as separate species. There are three subspecies: * ''Hypocnemis striata implicata'' Zimmer, JT, 1932 – west central Amazonian Brazil * ''Hypocnemis striata striata'' (von Spix, 1825) – central Amazonian Brazil * ''Hypocnemis striata affinis'' Zimmer, JT, 1932 – east central Amazonian Brazil The westernmost population is likely to represent an undescribed subspecies. Spix's warbling antbird is found at lower levels in humid forest in the south-eastern

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technolog ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

References

* Zimmer & Isler. 2003. ''Hypocnemis cantator'' (Warbling Antbird). Pp. 645 in del Hoyo, Elliott, & Christie. 2003. ''Handbook of the Birds of the World.'' Vol. 8. Broadbills to Tapaculos. Lynx Edictions. Barcelona.
Spix's Warbling Antbird
arthurgrosset.com. Accessed June 27, 2008 Spix's warbling antbird Birds of the Amazon Basin Spix's warbling antbird {{Thamnophilidae-stub